50
9.3 CU-2WZ71YBE5
TO DUCT UNIT C
1
2
3
TO TANK UNIT A
1
BL
TERMINAL BOARD
CONTROL BOARD
BL
W
R
B
W
2
3
G
G
ELECTRONIC CONTROLLER
(NOISE FILTER)
AC-WHT
GRY
REACTOR
(WHITE)
AC-BLK
(BLACK)
R
B
Y
R
B
Y
U
V
W
P
N
(RED) U
(BLUE) V
(YELLOW) W
CONNECTOR
WHITE
COMPRESSOR
Q10
9
7
5
3
1
BL
GRY
BR
B
W
CN-BLK
RAT2 (GRAY)
AC1
(BROWN)
AC2 (BLUE)
(BLACK)
CN-WHT
(WHITE)
CN-COM
(WHITE)
ACN1
(WHITE)
ACL1
(BLACK)
FG1
(GREEN)
FG2
(GREEN)
DCP
(RED)
DCN
(BLACK)
DCP
(RED)
RAT1
(GRAY)
AC1
(BROWN)
DCN
RBL
(BLACK)
FUSE 401
(30A 250V)
NOISE FILTER
CIRCUIT
COMMUNICATION
CIRCUIT
FUSE 2
(T3.15A L250V)
ELECTRONIC CONTROLLER
(MAIN)
FUSE 1
(T3.15A L250V)
MS
3~
M
FAN MOTOR
7
4
1
R
B
BR
W
ORG
RECTIFICATION
CIRCUIT
SMOOTHING
CAPACITOR
PFC
CIRCUIT
SWITCHING
POWER SUPPLY
CIRCUIT
1
3
1
3
CN-HOT1
(BLUE)
ELECTRO MAGNETIC COIL 1 (4-WAY VALVE)
CRANKCASE HEATER
CN-HT
(BLACK)
RY-HOT
RY-HT
RY-PWR
PFC
CAPACITOR
RECTIFICATION
CIRCUIT
AC2 (BLUE)
Sensor (Thermistor)
Characteristics
70
60
50
40
30
20
10
0
-10 0 10
Temperature (
o
C)
Resistance (kΩ)
20 30 40 50
1
2
1
2
Outdoor Air Sensor
Outdoor Heat Exchanger
Sensor
Compressor Temp. Sensor
(Thermistor) Characteristics
70
60
50
40
30
20
10
0
20 40 60
Temperature (
o
C)
Resistance (kΩ)
80 100 120 140
CN-TH5
Black
DISCHARGE TEMP. SENSOR
(THERMISTOR)
1
4
5V
t
1
CN-TANK
Natural
2
C209
1u
10V
G5
G5
R102
4.99k
1%
5V
C47
1u
10V
G5
t
CN-TH1
Natural
OUTDOOR TEMP. SENSOR
(THERMISTOR)
HEAT EXCHANGER TEMP. SENSOR
(THERMISTOR)
1
4
C46
1u
10V
5V
C45
1u
10V
G5
R100
15k
1%
R101
7.5k
1%
t
t
G5 G5
9
1
1
W
W
W
W
W
W
W
W
W
1
4
CN-HOT2
(WHITE)
ELECTRO MAGNETIC COIL 2 (4-WAY VALVE)
RY-HOT2
G1
CN-STM3
Blue
CN-STM2
Yellow
CN-STM1
Natural
61
M
61
M
81
UNIT A
ELECTRO-MAGNETIC COIL
(EXPANSION VALVE)
ELECTRO-
MAGNETIC COIL (B)
(EXPANSION VALVE)
UNIT C
ELECTRO-MAGNETIC COIL
(EXPANSION VALVE)
M
23
24
25
26
27
28
29
30
9
10
7
8
D66
D65
AK
D61
AK
D57
AK
AK
D62
AK
D58
AK
AK
D63
AK
D59
AK
AK
D64
AK
D60
AK
D68
D67
11
12
G6
G6
G6
5V
G6
G6
1
1
5
1
3
6
1
6
CN101
YELLOW
CN-NMODE1
white
CN-DISP1
CN-DISP2
CN-DISP3
yellow
ELECTRONIC CONTROLLER (DISPLAY)
OPERATION
TEST SW
PUMP
DOWN SW
EVQ PAE 07K
EVQ PAE 07K
EVQ PAE 07K
WIRING
CHECK SW
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
R370 10k
R376 1k
R371 10k
R372 10k
R373 10k
R374 10k
R375 10k
CN-DISP1
Natural
1
7
1
14
5V
5V
5V
R304 1.2k
R305 1.2k
R306 1.2k
R307 1.2k
R308 1.2k
R309 1.2k
SW1
1
2
3
4
1
2
3
4
SW4
ON OFF
1
2
321
3
4
SW5
Green LED1
*JP1
ON OFF
3
AK
AK
AK
AK
AK
AK
21
Green LED2
Green LED3
Green LED4
Green LED5
Green LED6
SW2
SW3
PRIORITY
MODE SW
POWER
SAVE SW
COOL ONLY
C270
0.1u
25V
C269
0.1u
25V
C268
0.1u
25V
C271
0.1u
25V
C272
0.1u
25V
C273
0.1u
25V
R378 1k
R379 1k
R377 1k
R380 1k
R381 1k
Q36
-50V
-100mA
C
E
4.7K
10K
B
G6
CN-PSW1
R
R
HIGH PRESSURE SW.
1
2
13V
RY-PWR
Q33
-32V
-500mA
Q35
50V
100mA
Q34
-50V
-100mA
AK
E
C
C
C
C
E
E
4.7k
4.7k
4.7K
10K
10K
10K
E
B
B
B
B
D78
1A5
600V
1A
G4
G6
G6
G6
G6
R132
4.7k
R140
10k
R138
10k
R139
10k
R271
2.2k
Q24
50V
100mA
C65
0.01u
50V
5V
C227
0.047u
25V
R331
R329
8.45k
1%
C229
10u
50V
R332
200k
1%
R330
6.81k
1%
C228
1000p
50V
C231
0.01u
50V
G2
G6
+
R327
2k
R161
39k
R328
2k
R86
1k
16V
5V
5V
Q32
Q30
Q31
-50V
-100mA
-50V
-100mA
50V
100mA
E
E
B
B
10K
10K
10K
4.7K
4.7K
4.7k
C
C
C
B
E
CN-FM1
Natural
CN-TH2
Yellow
DEFROST TEMP. SENSOR
(THERMISTOR)
1
4
R103
7.5k
1%
5V
G5
t
C48
1u
10V
G5
C120
1u
10V
G5
C115
1u
10V
G5
R133
4.99k
1%
G5
G6
G6
5V
3
31
13
1
CN-HEAT
(WHITE)
WW
W
*C282
*C283
*CN-102
yellow
*R390
*R391
G6
C130
0.1u
25V
CN-HPS
Red
R107
20k
1/10W
1%
R400
1k
5V
HIGH PRESSURE
SENSOR
TANK TEMP.
SENSOR (THERMISTOR)
43 1
312
RWBL
C122
1u
16V
C121
100u
16V
G5
+
5
1
4
CN-DATA1
yellow
CN-DATA2
yellow
5V
13V
G4A
R388
47k
C276
1000p
50V
R253
10k
G6 G6
G6
CN-DATA
Natural
IC17
15
16
14
13
12
11
10
9
1
VDD
2X
1X
X-COM
0X
3X
A
B
0Y
2Y
Y-COM
3Y
1Y
INH
VEE
VSS
2
3
4
5
6
7
8
IC18
VDD
2X
1X
X-COM
0X
3X
A
B
0Y
2Y
Y-COM
3Y
1Y
INH
VEE
VSS
15
16
14
13
12
11
10
9
1
2
3
4
5
6
7
8
1
16
2
15
3
14
4
13
5
12
6
11
7
10
5V
13V
5V
G1
C214
1000p
50V
C215
1000p
50V
C213
1000p
50V
C212
1u
16V
C216
1000p
50V
G1
G1
G1
G1
G1
G1
G1
C217
1000p
50V
G1
IC16
13V
CN-TH4
Natural
t
t
GAS PIPE TEMP. SENSOR (UNIT A)
(THERMISTOR)
GAS PIPE TEMP. SENSOR (UNIT C)
(THERMISTOR)
1
11
C239
1u
10V
C240
1u
10V
5V
CN-TH3
Natural
t
t
LIQUID PIPE TEMP. SENSOR (UNIT A)
(THERMISTOR)
LIQUID PIPE TEMP. SENSOR (UNIT C)
(THERMISTOR)
1
10
G5
G5
G5
R333 15.8k 1%
R338 15.8k 1%
C232
1u
10V
C241
1u
10V
5V
R341 15.8k 1%
R342 15.8k 1%
*R135
*R337
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